Speaker



FIG. 1 is a bottom view of a speaker showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is an isometric back view thereof;

FIG. 4 is an isometric front view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a right view thereof; and,

FIG. 8 is a top view thereof.

The broken lines shown are included for the purpose of illustrating portions of the speaker that form no part of the claim. 

CLAIM The ornamental design for a speaker, as shown and described. 